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Psittacosaurus

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dinosaur genus

Gifford, William

Gifford, William

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British editor and scholar

Expressway

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road

Guinness, Sir Benjamin Lee, 1st Baronet

Guinness, Sir Benjamin Lee, 1st Baronet

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Biography, Brewery, & Facts

Oleic Acid

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Uses, & Structure

Neurasthenia

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pathology

Hingis, Martina

Hingis, Martina

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Biography, Titles, & Facts

Sextant

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instrument

Space Station

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History, & Facts

Loofah

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plant

Abacus

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History, Origin, & Facts

Carle, Eric

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Biography, Books, Museum, & Facts

Catastrophism

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geology

Sami Language

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language

End-Triassic Extinction

End-Triassic Extinction

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Evidence & Facts

Sabin, Albert Bruce

Sabin, Albert Bruce

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American physician and microbiologist